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Finding the Fourth Proportional to 104,673.62, 144,448.20 and 56,925.94

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Solution

The fourth proportional to 104,673.62, 144,448.20 and 56,925.94 is: 78,557.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,673.62 : 144,448.20 = 56,925.94 : x
  2. Step 2: Convert to fraction form
    104,673.62/144,448.20 = 56,925.94/x
  3. Step 3: Cross multiply
    104,673.62x = 144,448.20 × 56,925.94
  4. Step 4: Simplify right side
    104,673.62x = 8,222,849,566.31
  5. Step 5: Solve for x
    x = 8,222,849,566.31/104,673.62
  6. Step 6: Final answer
    x = 78,557.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.